Cypress WICED CYW43903 Manuals

Manuals and User Guides for Cypress WICED CYW43903. We have 1 Cypress WICED CYW43903 manual available for free PDF download: Manual

Cypress WICED CYW43903 Manual (66 pages)

™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor

Brand: Cypress | Category: Single board computers | Size: 1 MB

Table of Contents
4
Overview
6
Introduction
6
Features
7
Standards Compliance
8
Power Supplies and Power Management
9
Power Supply Topology
9
CYW43903 Power Management Unit Features
9
Power Management
12
PMU Sequencing
12
Power-Off Shutdown
13
Power-Up/Power-Down/Reset Circuits
13
Frequency References
14
Crystal Interface and Clock Generation
14
External Frequency Reference
15
External 32.768 Khz Low-Power Oscillator
16
Applications Subsystem
17
Overview
17
Applications CPU and Memory Subsystem
17
Memory-To-Memory DMA Core
17
Cryptography Core
17
Applications Subsystem External Interfaces
18
Gpio
18
Cypress Serial Control
18
JTAG and ARM Serial Wire Debug
18
Pwm
19
SPI Flash
19
Uart
19
Spi
20
Global Functions
21
External Coexistence Interface
21
One-Time Programmable Memory
21
Hibernation Block
21
System Boot Sequence
22
Wireless LAN Subsystem
23
WLAN CPU and Memory Subsystem
23
IEEE 802.11N MAC
23
Psm
24
Wep
24
Txe
24
Rxe
25
Ifs
25
Tsf
25
Nav
25
MAC-PHY Interface
25
IEEE 802.11 ™ B/G/N PHY
26
WLAN Radio Subsystem
27
Receiver Path
27
Transmit Path
27
Calibration
27
Pinout and Signal Descriptions
28
Ball Map
28
Ball List
29
Signal Descriptions
31
GPIO Signals and Strapping Options
35
Overview
35
Weak Pull-Down and Pull-Up Resistances
35
Strapping Options
35
Alternate GPIO Signal Functions
36
Pin Multiplexing
37
I/O States
39
Electrical Characteristics
41
Absolute Maximum Ratings
41
Environmental Ratings
42
Electrostatic Discharge Specifications
42
Recommended Operating Conditions and DC Characteristics
42
Power Supply Segments
44
GPIO, UART, and JTAG Interfaces DC Characteristics
44
WLAN RF Specifications
45
Introduction
45
Ghz Band General RF Specifications
45
WLAN 2.4 Ghz Receiver Performance Specifications
46
WLAN 2.4 Ghz Transmitter Performance Specifications
48
General Spurious Emissions Specifications
49
Transmitter Spurious Emissions Specifications
49
Receiver Spurious Emissions Specifications
49
Internal Regulator Electrical Specifications
50
Core Buck Switching Regulator
50
Ldo (Ldo3P3)
51
Cldo
52
Lnldo
53
Bbpll Ldo
54
System Power Consumption
55
WLAN Current Consumption
55
Ghz Mode
55
SPI Flash Characteristics
56
SPI Flash Timing
56
Read-Register Timing
56
Write-Register Timing
57
Memory Fast-Read Timing
58
Memory-Write Timing
59
SPI Flash Parameters
60
Power-Up Sequence and Timing
61
Sequencing of Reset and Regulator Control Signals
61
Description of Control Signals
61
Control Signal Timing Diagrams
61
Thermal Information
62
Package Thermal Characteristics
62
Junction Temperature Estimation and PSI JT
62
Versus THETA JC
62
Environmental Characteristics
62
Mechanical Information
63
Ordering Information
64
Additional Information
64
Acronyms and Abbreviations
64
Iot Resources
64
Errata
64
Document History Page
65
Sales, Solutions, and Legal Information
66

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Cypress WICED CYW43903 Manual (66 pages)

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